Home / 57,108.96-85,654.08-15,559.20

Finding the Fourth Proportional to 57,108.96, 85,654.08 and 15,559.20

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Solution

The fourth proportional to 57,108.96, 85,654.08 and 15,559.20 is: 23,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,108.96 : 85,654.08 = 15,559.20 : x
  2. Step 2: Convert to fraction form
    57,108.96/85,654.08 = 15,559.20/x
  3. Step 3: Cross multiply
    57,108.96x = 85,654.08 × 15,559.20
  4. Step 4: Simplify right side
    57,108.96x = 1,332,708,961.54
  5. Step 5: Solve for x
    x = 1,332,708,961.54/57,108.96
  6. Step 6: Final answer
    x = 23,336.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.